use kwindex::*;
fn main() {
let mut index = KWIndex::new();
println!("is_empty(): {}\n", index.is_empty());
index = index.extend_from_text("Hey world!");
println!("\nis_empty(): {}", index.is_empty());
println!("len(): {}", index.len());
let check = "world";
println!("count_matches('{}'): {}", check, index.count_matches(check));
println!("\n{:?}", index);
}